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Enredo estabilizado de osciladores mecánicos masivos
C F Ockeloen-Korppi1, E Damskägg1, J-M Pirkkalainen1
1Department of Applied Physics, Aalto University, Aalto, Finland.
Nature
|April 27, 2018
Resumen
Los científicos lograron el entrelazamiento cuántico para objetos macroscópicos masivos, específicamente dos osciladores micromecánicos. Este avance extiende los fenómenos cuánticos a escalas más grandes, allanando el camino para las nuevas tecnologías cuánticas y la investigación física fundamental.
Área de la Ciencia:
- Física Cuántica
- Fenómenos Macroscópicos Cuánticos
- Tecnologías Cuánticas
Sus antecedentes:
- El entrelazamiento cuántico enlaza sistemas independientemente de la distancia, crucial para las tecnologías cuánticas.
- Enredamiento demostrado en sistemas microscópicos (fotones, iones, espines) y dispositivos.
- Enredar el movimiento de objetos macroscópicos es un desafío debido a la vulnerabilidad ambiental.
Objetivo del estudio:
- Para demostrar experimentalmente el enredo del movimiento del centro de masa de objetos macroscópicos.
- Para superar los desafíos de la descoherencia ambiental en el entrelazamiento macroscópico.
Principales métodos:
- Se utilizaron dos osciladores micromecánicos masivos (aprox. 10^12 átomos cada uno).
- Osciladores acoplados a una cavidad electromagnética de frecuencia de microondas.
- Enredado en estado estacionario a través de fluctuaciones mecánicas correlacionadas y análisis de microondas de cavidad.
Principales resultados:
- Creado y estabilizado con éxito el enredo del movimiento del centro de masa para osciladores macroscópicos.
- Se ha demostrado el entrelazamiento en estado estacionario utilizando técnicas de medición indirecta.
Conclusiones:
- Extendido cualitativamente el rango de los sistemas físicos que exhiben el entrelazamiento cuántico.
- Implicaciones para el procesamiento de información cuántica, mediciones de precisión y física fundamental.
- Abre nuevas vías para explorar la mecánica cuántica en escalas más grandes.
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